CN215338029U

CN215338029U - Vernier caliper for high school student physical test

Info

Publication number: CN215338029U
Application number: CN202121429576.1U
Authority: CN
Inventors: 周文翔; 杨雨田
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-28
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the technical field of vernier calipers and discloses a vernier caliper for a high school student physical test, which comprises a caliper body, wherein a sliding plate is arranged on the right side of the caliper body, the caliper body is connected with the sliding plate in a sliding mode, an indicating gauge is arranged on the right side of the sliding plate, a fixing plate is fixedly installed on the left side of the upper end of the sliding plate, a pressing plate is arranged at the lower end of the fixing plate, a rack is fixedly installed in the middle of the upper end of the pressing plate, and a through groove is formed in the middle of the upper end of the fixing plate. According to the utility model, through the arrangement of the pressing plate, the rubber pad, the rack, the first fixing rod, the gear, the second fixing rod, the bearing, the straight rod and the cover plate, the sliding plate can be limited, and the indicating meter can be shielded and protected, so that the accuracy is prevented from being influenced by the damage of the indicating meter, the service life of the indicating meter is further prolonged, and the indicating meter is practical and suitable for wide popularization and use.

Description

Vernier caliper for high school student physical test

Technical Field

The utility model relates to the technical field of vernier calipers, in particular to a vernier caliper for a high school student physical test.

Background

A vernier caliper with a meter, also called an attached meter caliper, is characterized in that a rack and pinion is used for driving a pointer to display a numerical value, a main caliper is provided with rough scales, and the rough scales are combined with the reading of an indicating meter, so that the vernier caliper is one of the vernier calipers, but the reading is quicker and more accurate than that of a common vernier caliper.

Through retrieving publication number (CN212902927U), disclosed a take table slide caliper, including slide, fastening screw, connecting rod and swivel, be provided with on the slide lateral wall fastening screw, fastening screw with the slide passes through threaded connection, be provided with on the fastening screw outer wall the connecting rod.

In the process of implementing the utility model, the inventor finds that at least the following problems in the prior art are not solved: the utility model discloses a although improve and measure the accuracy nature, lack the protection machanism to the instruction list, lead to the instruction list very easily to damage and influence the precision, need inject too troublesome to the slide moreover, need improve urgently, consequently, we propose a high school student slide caliper for physical test.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vernier caliper for a high school student physical test, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a vernier caliper for high school student physical test comprises a caliper body;

the ruler body is connected with the sliding plate in a sliding mode, the indicating meter is arranged on the right side of the sliding plate, the left side of the upper end of the sliding plate is fixedly provided with a fixing plate, and the lower end of the fixing plate is provided with a pressing plate;

the utility model discloses a clamp plate, including clamp plate, fixed plate, gear, straight-bar, apron, the upper end middle part fixed mounting of clamp plate has the rack, logical groove has been seted up at the upper end middle part of fixed plate, the equal fixed mounting in both ends has first dead lever around the fixed plate upper end right side, the inboard of first dead lever is provided with the gear, the equal fixed mounting in both ends has the second dead lever around the gear, the right side fixed mounting of second dead lever has the straight-bar, the right-hand member fixed mounting of straight-bar has the apron, the equal fixed mounting in the left and right sides of clamp plate lower extreme has powerful magnet.

In a preferred embodiment of the present invention, a rubber pad is bonded to a lower end of the pressure plate, and the rubber pad is made of wear-resistant rubber.

In a preferred embodiment of the present invention, the second fixing rod is rotatably connected to the first fixing rod through a bearing.

In a preferred embodiment of the present invention, the cover plate has an area larger than an area of the dial gauge.

As a preferred embodiment of the utility model, the size of the rack is matched with that of the through groove, and the rack is movably connected with the through groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the vernier caliper for the high school physical test, the sliding plate can be limited and the indicating meter can be shielded and protected through the pressing plate, the rubber pad, the rack, the first fixing rod, the gear, the second fixing rod, the bearing, the straight rod and the cover plate, so that the accuracy of the indicating meter is prevented from being influenced by damage of the indicating meter, the service life of the indicating meter is further prolonged, and the vernier caliper for the high school physical test is more practical.

2. The vernier caliper for the high school physical test is convenient to carry out certain adsorption limitation on the pressing plate through the strong magnet on the pressing plate, avoids the cover plate from automatically resetting to influence the reading of a user on the indicating meter, and is favorable for more practical use.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of an overall structure of a vernier caliper for high school students physical test according to the present invention;

fig. 2 is a schematic top view of a gear and a fixing rod of the vernier caliper for the high school physics test according to the present invention.

In the figure: 1. the ruler comprises a ruler body, 2, a sliding plate, 3, an indicator, 4, a fixing plate, 5, a pressing plate, 6, a rubber pad, 7, a rack, 8, a first fixing rod, 9, a gear, 10, a second fixing rod, 11, a bearing, 12, a straight rod, 13, a cover plate, 14, a powerful magnet, 15 and a through groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a vernier caliper for a high school student physical test comprises a caliper body 1;

a sliding plate 2 is arranged on the right side of the ruler body 1, the ruler body 1 is connected with the sliding plate 2 in a sliding mode, an indicating gauge 3 is arranged on the right side of the sliding plate 2, a fixing plate 4 is fixedly arranged on the left side of the upper end of the sliding plate 2, and a pressing plate 5 is arranged at the lower end of the fixing plate 4;

when the device is used, firstly the sliding plate 2 is pushed, so that the inner measuring claw and the outer measuring claw on the sliding plate 2 are matched with the ruler body 1 to measure an article, and then the cover plate 13 is upwards rotated, make apron 13 rotate 90 degrees, straight-bar 12 on the apron 13 drives gear 9 and rotates, gear 9 drives rack 7 downstream, make clamp plate 5 compress tightly with 1 laminating of blade, powerful magnet 14 adsorbs with 1 contact of blade simultaneously, be convenient for prescribe a limit to slide 2, after having measured, downwardly rotating apron 13, make apron 13 shelter from the protection to instruction list 3, avoid instruction list 3 to damage the influence precision, further improve the life of instruction list 3, through powerful magnet 14 on the clamp plate 5, be convenient for carry out certain absorption through powerful magnet 14 and prescribe a limit to clamp plate 5, avoid apron 13 automatic re-setting, influence the reading of user to instruction list 3.

In this embodiment, referring to fig. 1, a rubber pad 6 is bonded to the lower end of the pressing plate 5, and the rubber pad 6 is made of wear-resistant rubber, so that the friction force of the pressing plate 5 in contact is increased, and the limiting effect of the sliding plate 2 is further improved.

In this embodiment, referring to fig. 1, the second fixing rod 10 is rotatably connected to the first fixing rod 8 through a bearing 11, so as to improve the stability of the rotation of the gear 9.

In this embodiment, referring to fig. 1, the area of the cover plate 13 is larger than that of the indication table 3, so as to improve the protection effect of the cover plate 13.

In this embodiment, referring to fig. 1, the size of the rack 7 is adapted to the size of the through slot 15, and the rack 7 is movably connected to the through slot 15, so as to improve the stability of the rack 7.

Working principle, during the use, at first promote slide 2, make interior measuring claw and outer measuring claw on slide 2 measure article with the cooperation of blade 1, upwards rotate apron 13 again, make apron 13 rotate 90 degrees, straight-bar 12 on apron 13 drives gear 9 and rotates, gear 9 drives rack 7 downstream, make clamp plate 5 compress tightly with the laminating of blade 1, powerful magnet 14 adsorbs with blade 1 contact simultaneously, be convenient for prescribe a limit to slide 2, after having measured, downwards rotate apron 13, make apron 13 shelter from the protection to instruction table 3, avoid instruction table 3 to damage the influence precision, further improve the life of instruction table 3, through powerful magnet 14 on the clamp plate 5, be convenient for carry out certain absorption and prescribe a limit to clamp plate 5 through powerful magnet 14, avoid apron 13 self-resetting, influence the reading of user to instruction table 3.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A vernier caliper for a high school student physical test is characterized by comprising a caliper body (1);

a sliding plate (2) is arranged on the right side of the ruler body (1), the ruler body (1) is connected with the sliding plate (2) in a sliding mode, an indicating gauge (3) is arranged on the right side of the sliding plate (2), a fixing plate (4) is fixedly installed on the left side of the upper end of the sliding plate (2), and a pressing plate (5) is arranged at the lower end of the fixing plate (4);

the utility model discloses a clamp plate, including clamp plate (5), the upper end middle part fixed mounting of clamp plate (5) has rack (7), logical groove (15) have been seted up at the upper end middle part of fixed plate (4), the equal fixed mounting in both ends has first dead lever (8) around fixed plate (4) upper end right side, the inboard of first dead lever (8) is provided with gear (9), the equal fixed mounting in both ends has second dead lever (10) around gear (9), the right side fixed mounting of second dead lever (10) has straight-bar (12), the right-hand member fixed mounting of straight-bar (12) has apron (13), the equal fixed mounting in the left and right sides of clamp plate (5) lower extreme has powerful magnet (14).

2. The vernier caliper for high school physics experiments according to claim 1, wherein: the lower end of the pressing plate (5) is bonded with a rubber pad (6), and the rubber pad (6) is made of wear-resistant rubber.

3. The vernier caliper for high school physics experiments according to claim 1, wherein: the second fixing rod (10) is rotatably connected with the first fixing rod (8) through a bearing (11).

4. The vernier caliper for high school physics experiments according to claim 1, wherein: the area of the cover plate (13) is larger than that of the indicating meter (3).

5. The vernier caliper for high school physics experiments according to claim 1, wherein: the size of the rack (7) is matched with that of the through groove (15), and the rack (7) is movably connected with the through groove (15).